Number of compositions of n such that the set of absolute differences is a subset of the set of parts.
A368557
Number of compositions of n such that the set of absolute differences is a subset of the set of parts.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =2a(5) =2a(6) =11a(7) =10a(8) =13a(9) =27a(10) =58a(11) =87a(12) =157a(13) =253a(14) =438a(15) =850a(16) =1462a(17) =2474a(18) =4472a(19) =7716a(20) =13544a(21) =24115a(22) =42360a(23) =74013a(24) =131038a(25) =229009a(26) =401946a(27) =707293a(28) =1242059a(29) =2177682
External references
- oeis: A368557